PT3116258T - Method for reporting channel state information, user equipment, and base station - Google Patents

Method for reporting channel state information, user equipment, and base station

Info

Publication number
PT3116258T
PT3116258T PT14884341T PT14884341T PT3116258T PT 3116258 T PT3116258 T PT 3116258T PT 14884341 T PT14884341 T PT 14884341T PT 14884341 T PT14884341 T PT 14884341T PT 3116258 T PT3116258 T PT 3116258T
Authority
PT
Portugal
Prior art keywords
base station
user equipment
state information
channel state
reporting channel
Prior art date
Application number
PT14884341T
Other languages
Portuguese (pt)
Inventor
Zhou Yongxing
Wang Jianguo
Original Assignee
Huawei Tech Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Tech Co Ltd filed Critical Huawei Tech Co Ltd
Publication of PT3116258T publication Critical patent/PT3116258T/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/0626—Channel coefficients, e.g. channel state information [CSI]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H04L5/0057—Physical resource allocation for CQI
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/382—Monitoring; Testing of propagation channels for resource allocation, admission control or handover
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0058—Allocation criteria
    • H04L5/0064—Rate requirement of the data, e.g. scalable bandwidth, data priority

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
PT14884341T 2014-03-06 2014-03-06 Method for reporting channel state information, user equipment, and base station PT3116258T (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PCT/CN2014/073007 WO2015131378A1 (en) 2014-03-06 2014-03-06 Method for reporting channel state information, user equipment, and base station
EP14884341.0A EP3116258B1 (en) 2014-03-06 2014-03-06 Method for reporting channel state information, user equipment, and base station

Publications (1)

Publication Number Publication Date
PT3116258T true PT3116258T (en) 2018-10-19

Family

ID=54054382

Family Applications (1)

Application Number Title Priority Date Filing Date
PT14884341T PT3116258T (en) 2014-03-06 2014-03-06 Method for reporting channel state information, user equipment, and base station

Country Status (7)

Country Link
US (1) US10454640B2 (en)
EP (2) EP3116258B1 (en)
KR (1) KR101851093B1 (en)
CN (1) CN105210405B (en)
BR (1) BR112016020503A2 (en)
PT (1) PT3116258T (en)
WO (1) WO2015131378A1 (en)

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US10659126B2 (en) * 2015-03-13 2020-05-19 Lg Electronics Inc. Method for feeding back CSI information in wireless communication system and device therefor
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EP3381133B1 (en) * 2015-11-23 2019-08-14 Telefonaktiebolaget LM Ericsson (publ) Antenna system configuration
EP3404844B1 (en) * 2016-01-13 2021-03-10 LG Electronics Inc. -1- Method for reporting channel state information for must transmission in wireless communication system, and device therefor
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WO2017161575A1 (en) 2016-03-25 2017-09-28 Qualcomm Incorporated Channel state information reference signal transmission
WO2017171485A1 (en) * 2016-03-31 2017-10-05 엘지전자 주식회사 Method for transmitting feedback information for dm-rs-based downlink transmission in wireless communication system and apparatus therefor
EP3437360A1 (en) * 2016-04-01 2019-02-06 Telefonaktiebolaget LM Ericsson (Publ) System and method for flexible channel state information-reference signal transmission
CN107404345B (en) * 2016-05-21 2020-10-02 上海朗帛通信技术有限公司 Method and device in wireless communication
CN107707285B (en) * 2016-08-05 2021-04-09 华为技术有限公司 Method and device for transmitting and receiving channel state information
US20180077617A1 (en) * 2016-09-09 2018-03-15 Qualcomm Incorporated Wireless Communication Enhancements for Unmanned Aerial Vehicle Communications
CN115314083A (en) * 2016-10-11 2022-11-08 瑞典爱立信有限公司 Method and node for adapting the density of a demodulation reference signal
US10110284B2 (en) * 2016-11-03 2018-10-23 At&T Intellectual Property I, L.P. Providing a format indicator comprising rank indication and channel state information spatial domain resolution type
CN108288983B (en) * 2017-01-09 2022-01-28 中兴通讯股份有限公司 Method and device for feeding back and determining channel state information
CN108631847B (en) 2017-03-24 2021-06-01 华为技术有限公司 Method for transmitting channel state information, terminal equipment and network equipment
US11888771B2 (en) * 2017-05-05 2024-01-30 Qualcomm Incorporated Beam procedure information for channel state information reference signals (CSI-RS)
EP3697128B1 (en) * 2017-11-17 2024-04-03 Huawei Technologies Co., Ltd. Channel state information feedback method, communication device, and system
CN110034803B (en) * 2018-01-12 2021-06-04 华为技术有限公司 Channel state information feedback method and device in wireless communication system
CN114499769A (en) * 2018-01-29 2022-05-13 华为技术有限公司 Precoding matrix index reporting method, communication device and medium
WO2019157757A1 (en) 2018-02-14 2019-08-22 华为技术有限公司 Communication method, communication apparatus, and system
JP6987336B2 (en) * 2018-09-14 2021-12-22 シャープ株式会社 Base station equipment, terminal equipment and communication method
US10588089B1 (en) * 2018-09-21 2020-03-10 Qualcomm Incorporated Mitigation of calibration errors
WO2020106005A1 (en) * 2018-11-20 2020-05-28 주식회사 후본 Communication apparatus for performing communication with tag by using matrix layer
EP3963735A1 (en) * 2019-04-30 2022-03-09 Telefonaktiebolaget LM Ericsson (publ) Codebook assisted covariance transformation in frequency division duplex (fdd) systems
CN114208050B (en) 2019-08-01 2023-04-11 华为技术有限公司 Adaptive kronecker product MIMO precoding for multi-antenna network entities and wireless communication devices and corresponding methods
WO2021162592A1 (en) * 2020-02-11 2021-08-19 Telefonaktiebolaget Lm Ericsson (Publ) Antenna arrangement having unequally many physical antenna elements for transmission and reception
US11876654B2 (en) * 2020-04-22 2024-01-16 Qualcomm Incorporated Methods and apparatus for unified codebooks for orthogonal sequence transmission
CN116248446A (en) * 2020-06-03 2023-06-09 华为技术有限公司 Method for obtaining channel information and communication device
KR20230131238A (en) * 2021-01-14 2023-09-12 지티이 코포레이션 Systems and methods for UE reporting to facilitate handover
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Also Published As

Publication number Publication date
KR101851093B1 (en) 2018-04-20
EP3116258A4 (en) 2017-03-22
US10454640B2 (en) 2019-10-22
EP3429257B1 (en) 2020-05-13
BR112016020503A2 (en) 2018-07-10
WO2015131378A1 (en) 2015-09-11
EP3116258B1 (en) 2018-07-04
US20160380734A1 (en) 2016-12-29
KR20160129057A (en) 2016-11-08
CN105210405B (en) 2021-01-29
CN105210405A (en) 2015-12-30
EP3116258A1 (en) 2017-01-11
EP3429257A1 (en) 2019-01-16

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